245921536 has 72 divisors (see below), whose sum is σ = 576326240. Its totient is φ = 102518784.

The previous prime is 245921527. The next prime is 245921539. The reversal of 245921536 is 635129542.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 245921495 and 245921504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245921539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64450 + ... + 68158.

Almost surely, 2^245921536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245921536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288163120).

245921536 is an abundant number, since it is smaller than the sum of its proper divisors (330404704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245921536 is an equidigital number, since it uses as much as digits as its factorization.

245921536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3755 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 245921536 is about 15681.8856009091. The cubic root of 245921536 is about 626.5160303896.

The spelling of 245921536 in words is "two hundred forty-five million, nine hundred twenty-one thousand, five hundred thirty-six".